35Bounce

III · Particles & Play

Three balls, one keyframe — distance and duration set by custom properties.

Auto

Source

2 files

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>CodeSandbox</title>
  </head>
  <body>
    <style>
      @keyframes bounce {
        to {
          transform: translateY(calc(var(--distance) * -1));
        }
      }
      
      .ball {
        animation: bounce var(--duration) infinite alternate cubic-bezier(0.09, 0.50, 0.44, 1.00);
      }
    </style>
    
    <div class="wrapper">
      <!-- Ball 1 should bounce 30px over 300ms -->
      <div class="ball" style="--distance: 30px; --duration: 300ms"></div>
      
      <!-- Ball 2 should bounce 50px over 400ms -->
      <div class="ball" style="--distance: 50px; --duration: 400ms"></div>
      
      <!-- Ball 3 should bounce 70px over 500ms -->
      <div class="ball" style="--distance: 70px; --duration: 500ms"></div>
    </div>
  </body>
</html>